Re: [v1][KVM][PATCH 1/1] kvm:ppc:booehv: direct ISI exception to Guest

2013-05-12 Thread tiejun.chen
On 05/11/2013 03:39 AM, Alexander Graf wrote: Am 10.05.2013 um 21:22 schrieb Scott Wood scottw...@freescale.com: On 05/10/2013 12:57:33 PM, Alexander Graf wrote: Could you guys please collect performance data during the next weeks on both guest-directed ISIs as well as VF MMIOs (preferably

Re: [v1][KVM][PATCH 1/1] kvm:ppc:booehv: direct ISI exception to Guest

2013-05-10 Thread Alexander Graf
...@vger.kernel.org; k...@vger.kernel.org Subject: Re: [v1][KVM][PATCH 1/1] kvm:ppc:booehv: direct ISI exception to Guest On 05/09/2013 07:34 PM, Caraman Mihai Claudiu-B02008 wrote: VF stands for virtualization fault see MAS8[VF] and we may use it for virtualized Looks KVM PPC have

Re: [v1][KVM][PATCH 1/1] kvm:ppc:booehv: direct ISI exception to Guest

2013-05-10 Thread Scott Wood
On 05/10/2013 12:57:33 PM, Alexander Graf wrote: Could you guys please collect performance data during the next weeks on both guest-directed ISIs as well as VF MMIOs (preferably with in-kernel MMIO), so that we can decide on the direction that's worth going towards? Collecting data on VF

Re: [v1][KVM][PATCH 1/1] kvm:ppc:booehv: direct ISI exception to Guest

2013-05-10 Thread Alexander Graf
Am 10.05.2013 um 21:22 schrieb Scott Wood scottw...@freescale.com: On 05/10/2013 12:57:33 PM, Alexander Graf wrote: Could you guys please collect performance data during the next weeks on both guest-directed ISIs as well as VF MMIOs (preferably with in-kernel MMIO), so that we can decide

Re: [v1][KVM][PATCH 1/1] kvm:ppc:booehv: direct ISI exception to Guest

2013-05-09 Thread tiejun.chen
...@suse.de; kvm-...@vger.kernel.org; k...@vger.kernel.org; linuxppc-dev@lists.ozlabs.org Subject: Re: [v1][KVM][PATCH 1/1] kvm:ppc:booehv: direct ISI exception to Guest On 05/08/2013 07:40 AM, Scott Wood wrote: On 05/07/2013 06:06:30 AM, Tiejun Chen wrote: We also can direct ISI exception to Guest like

RE: [v1][KVM][PATCH 1/1] kvm:ppc:booehv: direct ISI exception to Guest

2013-05-09 Thread Caraman Mihai Claudiu-B02008
VF stands for virtualization fault see MAS8[VF] and we may use it for virtualized Looks KVM PPC have no this mechanism currently since I don't find MAS8_VF is used in kernel, right? Yes but 'we may use it' in the feature, I have a functional POC with VF. Now we capture virtualized MMIO

Re: [v1][KVM][PATCH 1/1] kvm:ppc:booehv: direct ISI exception to Guest

2013-05-09 Thread tiejun.chen
On 05/09/2013 07:34 PM, Caraman Mihai Claudiu-B02008 wrote: VF stands for virtualization fault see MAS8[VF] and we may use it for virtualized Looks KVM PPC have no this mechanism currently since I don't find MAS8_VF is used in kernel, right? Yes but 'we may use it' in the feature, I have a

RE: [v1][KVM][PATCH 1/1] kvm:ppc:booehv: direct ISI exception to Guest

2013-05-09 Thread Caraman Mihai Claudiu-B02008
][PATCH 1/1] kvm:ppc:booehv: direct ISI exception to Guest On 05/09/2013 07:34 PM, Caraman Mihai Claudiu-B02008 wrote: VF stands for virtualization fault see MAS8[VF] and we may use it for virtualized Looks KVM PPC have no this mechanism currently since I don't find MAS8_VF is used

RE: [v1][KVM][PATCH 1/1] kvm:ppc:booehv: direct ISI exception to Guest

2013-05-08 Thread Caraman Mihai Claudiu-B02008
: [v1][KVM][PATCH 1/1] kvm:ppc:booehv: direct ISI exception to Guest On 05/08/2013 07:40 AM, Scott Wood wrote: On 05/07/2013 06:06:30 AM, Tiejun Chen wrote: We also can direct ISI exception to Guest like DSI. Signed-off-by: Tiejun Chen tiejun.c...@windriver.com --- arch/powerpc/kvm

Re: [v1][KVM][PATCH 1/1] kvm:ppc:booehv: direct ISI exception to Guest

2013-05-08 Thread tiejun.chen
...@vger.kernel.org; linuxppc-dev@lists.ozlabs.org Subject: Re: [v1][KVM][PATCH 1/1] kvm:ppc:booehv: direct ISI exception to Guest On 05/08/2013 07:40 AM, Scott Wood wrote: On 05/07/2013 06:06:30 AM, Tiejun Chen wrote: We also can direct ISI exception to Guest like DSI. Signed-off-by: Tiejun Chen tiejun.c

Re: [v1][KVM][PATCH 1/1] kvm:ppc:booehv: direct ISI exception to Guest

2013-05-08 Thread Scott Wood
On 05/07/2013 08:53:50 PM, tiejun.chen wrote: On 05/08/2013 07:40 AM, Scott Wood wrote: On 05/07/2013 06:06:30 AM, Tiejun Chen wrote: We also can direct ISI exception to Guest like DSI. Signed-off-by: Tiejun Chen tiejun.c...@windriver.com --- arch/powerpc/kvm/booke_emulate.c |3 +++

Re: [v1][KVM][PATCH 1/1] kvm:ppc:booehv: direct ISI exception to Guest

2013-05-07 Thread Scott Wood
On 05/07/2013 06:06:30 AM, Tiejun Chen wrote: We also can direct ISI exception to Guest like DSI. Signed-off-by: Tiejun Chen tiejun.c...@windriver.com --- arch/powerpc/kvm/booke_emulate.c |3 +++ arch/powerpc/kvm/e500mc.c|3 ++- 2 files changed, 5 insertions(+), 1 deletion(-)

Re: [v1][KVM][PATCH 1/1] kvm:ppc:booehv: direct ISI exception to Guest

2013-05-07 Thread tiejun.chen
On 05/08/2013 07:40 AM, Scott Wood wrote: On 05/07/2013 06:06:30 AM, Tiejun Chen wrote: We also can direct ISI exception to Guest like DSI. Signed-off-by: Tiejun Chen tiejun.c...@windriver.com --- arch/powerpc/kvm/booke_emulate.c |3 +++ arch/powerpc/kvm/e500mc.c|3 ++- 2